threadpool:threadpool.cpp
	g++ -o $@ $^ -lpthread
packaged_task:packaged_task.cc
	g++ -o $@ $^ -lpthread
promise:promise.cc
	g++ -o $@ $^ -lpthread
async:async.cc
	g++ -o $@ $^ -lpthread
.PHONY:clean
clean:
	rm -rf async packaged_task promise threadpool